Display screen or portion thereof with a graphical user interface



FIG. 1 is a front view of a display screen or portion thereof with a graphical user interface, showing our new design, oriented in portrait;

FIG. 2 is an annotated front view thereof;

FIG. 3 is an enlarged partial front view thereof, shown as indicated by “A” in FIG. 2 for clarity of illustration; and

FIG. 4 is a front view thereof, oriented in landscape;

FIG. 5 is a front view of a second embodiment of the display screen or portion thereof with a graphical user interface, showing our new design, oriented in portrait;

FIG. 6 is an annotated front view thereof;

FIG. 7 is an enlarged partial front view thereof, shown as indicated by “B” in FIG. 6 for clarity of illustration; and,

FIG. 8 is a front view thereof, oriented in landscape;

FIG. 9 is a front view of a third embodiment of the display screen or portion thereof with a graphical user interface, showing our new design, oriented in portrait;

FIG. 10 is an annotated front view thereof;

FIG. 11 is an enlarged partial front view thereof, shown as indicated by “C” in FIG. 10 for clarity of illustration; and,

FIG. 12 is a front view thereof, oriented in landscape.

The broken line showing of the display screen and remainder of the graphical user interface forms no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with a graphical user interface, as shown and described. 